Schrampfer Azar, B. (1996). Basic english grammar (2.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Schrampfer Azar, Betty. Basic English Grammar. 2. España: Prentice Hall, 1996.
Lua MLA (8ú heag.)Schrampfer Azar, Betty. Basic English Grammar. 2. Prentice Hall, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.